+Cd7 is a [glycoprotein](/wiki/Glycoprotein) found on the surface of many developing T cells and natural killer (NK) cells. It serves as a key marker, helping to identify and classify these critical components of the [immune system](/wiki/Immune_system). Its presence often indicates early stages of T-cell differentiation.
+## See also
+- [T cells](/wiki/T_cells)
+- [NK cells](/wiki/NK_cells)
+- [CD markers](/wiki/CD_markers)
... 1 more lines